This practical card shuffler puts an end to arguments about whether the cards have been shuffled correctly. You can now avoid annoying discussions about cheating or insufficient shuffling. Battery Operated: The automatic card shuffler is electronically operated with 4 AA batteries (not included), only the shuffler itself is included in the package. Easy to Use: Easy to operate with just one button, simpler and more labor-saving than manual shuffling. You can place the cards in the 2 compartments and they will be shuffled and come out of one compartment. The cards are shuffled automatically with the push of a button. Versatile: This card shuffler is flexible and works with standard-sized cards (9 x 6.5 cm) and up to 2 decks. Ideal for poker, blackjack, and card games. Durable Material: Our electric poker shuffler is made of high-quality plastic, durable, highly efficient, and labor-saving.